Finding the Fourth Proportional to 9,912.75, 14,856.98 and 5,961.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.75 : 14,856.98 = 5,961.57 : x
2. Step 2: Convert to fraction form
   9,912.75/14,856.98 = 5,961.57/x
3. Step 3: Cross multiply
   9,912.75x = 14,856.98 × 5,961.57
4. Step 4: Simplify right side
   9,912.75x = 88,570,896.45
5. Step 5: Solve for x
   x = 88,570,896.45/9,912.75
6. Step 6: Final answer
   x = 8,935.05